make clap_c a lazy dependency

Author: bandithedoge

build.zig.zon

@@ -6,10 +6,7 @@
 
     .dependencies = .{
         .core = .{ .path = "src/core" },
-        .clap = .{
-            .path = "src/clap",
-            .lazy = true,
-        },
+        .clap = .{ .path = "src/clap", .lazy = true },
     },
     .paths = .{
         "build.zig",

src/clap/build.zig

@@ -9,24 +9,24 @@ pub fn build(b: *std.Build) !void {
         .optimize = optimize,
     });
 
-    const clap_dep = b.dependency("clap_c", .{});
-
-    const clap_c = b.addTranslateC(.{
-        .root_source_file = clap_dep.path("include/clap/clap.h"),
-        .target = target,
-        .optimize = optimize,
-    });
-
     const module = b.addModule("clap", .{
         .target = target,
         .optimize = optimize,
         .root_source_file = b.path("root.zig"),
         .imports = &.{
             .{ .name = "zigplug", .module = root.module("zigplug") },
-            .{ .name = "clap_c", .module = clap_c.createModule() },
         },
     });
 
+    if (b.lazyDependency("clap_c", .{})) |clap_dep| {
+        const clap_c = b.addTranslateC(.{
+            .root_source_file = clap_dep.path("include/clap/clap.h"),
+            .target = target,
+            .optimize = optimize,
+        });
+        module.addImport("clap_c", clap_c.createModule());
+    }
+
     module.addImport("clap", module);
 
     const test_step = b.step("test", "Run unit tests");

src/clap/build.zig.zon

@@ -9,6 +9,7 @@
         .clap_c = .{
             .url = "https://github.com/free-audio/clap/archive/refs/tags/1.2.6.tar.gz",
             .hash = "N-V-__8AABAqOwDxKlwerqbiBlg183KUY751DdoGwZ9N-ZuE",
+            .lazy = true,
         },
     },